Indian bullfrog; tiger frog
Refers to the species Hoplobatrachus tigerinus, a large frog native to South Asia. Sometimes called 'bull frog' or 'golden frog' in English, but 'Indian bullfrog' is the most precise common name.
The Indian bullfrog is a large frog that inhabits India and Bangladesh.
Have you ever seen an Indian bullfrog at the zoo?
Katakana spelling is common for this animal name; usually written in kana.
Kanji spelling is rare and mainly found in scientific or older texts.
The name トラフガエル literally means 'tiger-patterned frog', from 虎斑 (tiger stripes) and 蛙 (frog). The exact derivation is straightforward; the katakana spelling reflects the convention for many animal names.